Can perforating device



p 1951 J. E. ANDERSON 2,569,123

CAN PERFORATING DEVICE Filed April 25, 194

J. Ear/ Anderson INVENTOR.

ATTORNEY Patented Sept. 25, 1951 OFFICE 7 CAN PERFOBATING DEVICE 7 Jay Earl Anderson, Dallas, Tex. v

3 Application April 25, 1949, Serial No. 89,378

i This invention relates to devices for opening cansa nd it has particular reference to a device adapted to perforate a can toprovide a pouri as well as 'avent opening.

"I'he principalobject of the invention is to provide a can perforating device consisting of a base to support a can to be perforated, a p1voted upright, 'a' perforating arm and an actuating lever so pivotally related and spring controlled,

as to permit displacementofthe pivoted elementsto inoperative position so that the latter will offer no obstruction to the cans as they are placed on and removed from the base. Moreover, by virtue of the compound leverage afforded by the peculiar relationship of parts, perforating operations may be accomplished with greater speed and less effort since the parts are at, all times in readiness to function with but minimum displacement of the operating handle.

Another object'of the invention is to provide a can perforating device in whichithe blades are designed to turn under the metal at the edges of the apertures which is desirable in opening cans of fruit juices, beer and other beverage consumed directly from the can.

With the foregoing objects in view, the inventionhas further reference to certain features of accomplishment which will become apparent as the description proceeds, taken in connection with the accompanying drawings wherein:

Figure 1 is a perspective view of a can perforating device constructed according to the present invention.

Figure 2 is aside elevational view showing in solid and dotted lines the operative and inoperative positions respectively of the parts, and

Figure 3 is a plan view of a perforated can top.

Continuing with a more detailed description of the drawing, reference numeral it denotes a base of any desired shape, having holes ii therein to receive screws for securing the same stationarily to a suitable support. Aflixed to the I base as by screws I2 is a stationary upright l3,

ion ms. (or. su ar) 2 ment as suggested by the dotted lines in ure 2.

Pivoted at 20 intermediate its ends to apoint Figspaced below the upper end of the standard Ill This arm, herein referred to as is an arm 2|. the perforating arm,uisequipped with canperforating' blades consisting of a steel strap '22, afiixed longitudinally tothe arm 2| by screws 23 and whose ends are each pointed to define cut-'. ting blades 24 and 25. The blade 24 is Slightly shorter than the companion blade 25 and serves to provide avent opening 26 (Fig. 3) .while the blade 25 punches the pouring opening 21. An=operating lever 28 is pivoted 'at 29 to the upper end of the standard l3 and its rear end extends rearwardly to'receive a pin 30 by which The extension 33 to which is attached an end of a' coilv spring 34 which is brought under tension when the operating lever is depressed and thus tends to hold the lever in raised or inoperative position. Since the lever 28, arm 2| and link 3| are pivoted together, the spring 34 retains these elements in the retracted position shown in dotted lines in Figure 2 so that they will not interfere with the placing of a can on the base ill or its removal therefrom, yet will dispose the operating lever in a position readily accessible for a forward and downward thrust effective to bring the arm 2| and its blades into puncturing relationship with the top of the can Hi.

The pivoted standard I8 is unaffected by the coil spring 34 but is held normally in a rearwardly tilted position, which is likewise exernplified in dotted lines in Figure -2, by means of a light coil spring 35, one end of which is enclosed in a housing defined by a boss 36 formed on the standard l8. The free end of the spring 35 bears against the rear face of the upright 13 and thus forces the standard outwardly from the upright and is collapsed when the operating lever is depressed. The spring 35 is necessarily light so that its resistance may be easily overcome when the lever 28 is operated so that the cutters 24 and 25 may be brought far enough forward that the holes made thereby will be of uniform size after each operation.

It is obvious from the foregoing that the form and relationship of parts is such that the operating lever 28 is always in an advantageous position for ready manipulation while at the same time there is nothing to obstruct placement and 1. A can perforating device including abase;

a standard pivoted to the base and capable of limited rocking displacement, a blade carrying arm pivoted at its midsection to said standardzx an operating lever pivoted to said standard above the pivot of said arm, a link pivotally connecting the rear ends of said armtand lever, a spring for holdingssaidarmuand lever-Fin'retracted position? and spring means resisting forward movement: ofrssaidstandard EWhEIlT'SflidilGVEI "is actuatedeto dispose said? perforating armnin: inoperativcare latiorr toaa'. can supported-on said base..::

2. A-can perforating=devicescomprisingFaSbase,.- an"upright pivoted "on? saidrbasezran operatingl. leveripivoted: intermediaterits iends tofthe upper endof said' UDIighILTBFIiIIKZDiVOtl-Bd atcone; end to:

standard pivoted at its lower end to said base for limited rocking displacement thereon, an arm pivoted between its ends to said standard below the upper end of the latter, a pair of perforating blades mounted on the forward end of said arm, an operating lever having pivotal connection with the upper end of said standard, a link pivotally connected between the rear ends of said arm and operating lever, the latter adapted to be forwardly and -downwardly' displaced. to dispose said arm and blades in' perforating relationship with the top of a can on said base.

4. A can perforated including a base, a standard pivoted to the base for limited rocking displacement, a can support having an upright portionadj'acent said standard, a hollow boss on said standardhat its midsection, a coil spring in said boss adapted to bear against the upright portion-of said can support to resist forward displacement of said standard, a bladed arm pivoted: intermediateiits ends:;.to'i'saidfstandandzdielowthectop :ofc the:,-'latter,r.a='='lever also r-pivoted. intermediate sits: ends 3130. said:-.standar.d an. the top of the latter, a linkiwhaving pivotalz.rela tionshipe WitHf. the: rear: ends 720i 1 said' arms. and lever for actuatingvther armwhen said. lever: is operated .and spring? means I connected 1' .between' themear'xend. of said arm andisaid' standard-and 2 its lower end :to :hold' saidrlever-xarm andv standard 7 the rear. end :ofjsaid operatingdever; asperfdratin inoperative position:

ing armpivotallyconrrectedtintermediate its Ien'ds torsaid" upright'fibelow theiaupper end "of thec'la't-i. ter, and. havingfpivotalriconnection 1 at? its rear endrto -th'e' opposite'en'daofsaid linkzwhereby to be J AY EARL: ANDERSONw,

REFERENCESsCITED r The following references are =of= record .in the UNITEUISTATESPATENTS" Number Name Date.

919,675. Armstrong ..NuApr. 27., 1909; 1,326,707. Andersonaet al. .Dec.. 30, 11919 1,517,955 Clarkson.-- ...Dec. 2,1'11924 1,813,620.;

Henr J lily .7, "1931." 

